CN110271399A - The power unit structure of electric vehicle - Google Patents
The power unit structure of electric vehicle Download PDFInfo
- Publication number
- CN110271399A CN110271399A CN201910187542.7A CN201910187542A CN110271399A CN 110271399 A CN110271399 A CN 110271399A CN 201910187542 A CN201910187542 A CN 201910187542A CN 110271399 A CN110271399 A CN 110271399A
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- CN
- China
- Prior art keywords
- control device
- motor
- unit
- mounting portion
- electric vehicle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/12—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of electric gearing
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/30—Structural association with control circuits or drive circuits
- H02K11/35—Devices for recording or transmitting machine parameters, e.g. memory chips or radio transmitters for diagnosis
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/006—Structural association of a motor or generator with the drive train of a motor vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K2001/001—Arrangement or mounting of electrical propulsion units one motor mounted on a propulsion axle for rotating right and left wheels of this axle
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Motor Power Transmission Devices (AREA)
Abstract
Present invention offer can reduce design working hour and can be improved the power unit structure of the electric vehicle of the rigidity of unit.In the power unit structure (1) of electric vehicle (9), control device unit (3) has the second mounting portion (32) that motor unit (2) is fixed on as the first mounting portion (31) of the mounting portion of the power feeding section supplied electric power to motor (221) and by control device unit (3), and it is installed from the case of transmission of motor unit (2) (23) side towards motor field frame (22) side, and the first mounting portion (31) is installed on central shell (21), second mounting portion (32) is installed on case of transmission (23).
Description
Technical field
The present invention relates to the power unit structures of electric vehicle.
Background technique
In the past, it discloses between motor and the inverter (control device) for the rotation control for carrying out motor along vehicle
Axis direction is configured with the Electromechanically integrated power unit structure of the speed changer converted to the rotation of motor (for example, ginseng
According to patent document 1).In the power unit structure, the three-phase power line that motor is connect with inverter is through transmission case
Configure to body.
Citation
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2013-173425 bulletin
Subject to be solved by the invention
However, in the design of case of transmission, needing to be designed to avoid in the power unit structure of patent document 1
The through hole of built-in each gear and three-phase power line is interfered, and there is the such project of design working hour increase.In addition, due to will be electric
Motivation, speed changer, inverter are arranged in a column and linearly fasten connection, so to from the side orthogonal with orientation
To externally input repellence it is weaker, exist in vehicle collision etc. and to expose project as high-voltage section.
Summary of the invention
Present invention has been made in view of the above circumstances, and its purpose is to provide can reduce design working hour and can mention
The power unit structure of the electric vehicle of the rigidity of high unit.
Solution for solving the problem
(1) present invention provide a kind of electric vehicle (such as aftermentioned electric vehicle 9) power unit structure it is (such as aftermentioned
Power unit structure 1), have: motor unit (such as aftermentioned motor unit 2) comprising central shell (such as
Aftermentioned center shell 21), be installed on the side of the central shell and accommodate motor (such as aftermentioned motor 221)
It motor field frame (such as aftermentioned motor field frame 22) and is installed on the other side of the central shell and accommodates speed changer
The case of transmission (such as aftermentioned case of transmission 23) of (such as aftermentioned speed changer 231)；And control device unit (example
Control device unit 3 as be described hereinafter), control the motor, wherein the control device unit has: the first mounting portion
(such as aftermentioned first mounting portion 31), for the mounting portion of the power feeding section supplied electric power to the motor；And the
Two mounting portions (such as aftermentioned second mounting portion 32), are fixed on the motor unit for the control device unit, and
And it is installed from the other side of the motor unit towards the side, and first mounting portion is installed on institute
Central shell is stated, second mounting portion is installed on the case of transmission.
According to the technical solution of (1), by the way that control device unit will be used as relative to the peace of the power feeding section of motor
First mounting portion in dress portion, the i.e. portion of electrically engaging are directly mounted at central shell, without considering and the gear of speed changer
Interference can reduce design working hour.In addition, by the way that the second mounting portion of control device unit is installed on case of transmission, from
And control device unit can be installed across the multiple components for constituting motor unit, it is able to suppress in the short transverse of unit
Expand and improve the rigidity of unit.
(2) preferably, on the basis of the power unit structure of the electric vehicle of (1), the control device unit and
The case of transmission is configured in overlapped mode when from up and down direction.
According to the technical solution of (2), by by control device unit and case of transmission when from up and down direction
Overlapped mode configures, so as to shorten on the installation direction when being equipped with control device unit on motor unit
Size, the power unit structure of electric vehicle can be made to minimize.
(3) preferably, on the basis of the power unit structure of the electric vehicle of (1) or (2), the control device list
Member include control the motor control device (such as aftermentioned control device 30) and to the lower section of the control device into
The bracket (such as aftermentioned bracket 320) of row bearing, first mounting portion are formed in the control device, second installation
Portion is formed in the bracket.
According to the technical solution of (3), by being formed in the second mounting portion to the support supported below control device
Frame, so as to preferentially will guarantee electrical connection the first mounting portion fastening connection after, absorbed using the second mounting portion by
In the offset of amount of tolerance installing the structure of control device unit across the multiple components for constituting motor unit and generating.Separately
Outside, by using bracket come the lower section of support control mechanism, so as to inhibit by from motor and transmission side transmitting Lai
The radiation sound of control device caused by vibrating.
(4) preferably, on the basis of the power unit structure of the electric vehicle of any one of (1)~(3), described the
The attached portion (such as aftermentioned attached portion 20) of one mounting portion and the central shell being connect with first mounting portion
It is configured in a manner of along the upper end of the power unit structure of the electric vehicle (such as aftermentioned upper end 10).
According to the technical solution of (4), due to the mounting portion as the power feeding section preferentially installed the first mounting portion with
It is configured along the mode of the upper end of the power unit structure of electric vehicle, so can come by visual observation in assembling operation true
Recognize the assembling of the first mounting portion, therefore, is able to suppress misassembly.In addition, being matched by making the first mounting portion as electrical connection section
It sets above, so as to inhibit as the immersion caused by the water that vehicle lower surface is rolled.
(5) preferably, on the basis of the power unit structure of the electric vehicle of (3) or (4), the bracket includes branch
Hold the control device supporting part (such as aftermentioned supporting part 321) and a pair of of leg for extending downward from the supporting part
Portion (such as aftermentioned a pair of of leg 322,322), is installed on the subsidiary engine (such as aftermentioned electric oil pump 7) of the motor unit
It is configured at the position that a pair of leg is clipped.
According to the technical solution of (5), by configuring subsidiary engine in a pair of of the leg extended downward from the supporting part of bracket
The position that portion is clipped, to be assembled while by visual observation to confirm the first mounting portion as electrical connection section
When, if assembled with the angle of mistake, the leg of bracket can interfere with subsidiary engine.Thereby, it is possible to know that assembling is not normal
The case where progress, can more reliably inhibit to mistakenly assemble.In addition, the subsidiary engine being located between a pair of of leg can be protected from collision
When impact.
(6) preferably, on the basis of the power unit structure of the electric vehicle of (5), the supporting part shape of the bracket
As the substantially C-shaped for the center of gravity for surrounding the control device when observing from below the control device unit, described in a pair
When leg is from the side from the longitudinal direction of the control device, from the supporting part relative to the control device two
What a fixed point (such as aftermentioned fixed point 323,323) was clipped is positioned against lower section extension.
According to the technical solution of (6), by being formed as the supporting part of bracket to surround control device when observing from below
Center of gravity substantially C-shaped, and it is solid from two of supporting part when from being formed in a side of the longitudinal direction from control device
A pair of of the leg for being positioned against lower section and extending clipped is pinpointed, so as to steadily fix control device.Thereby, it is possible to more
Effectively inhibit by from motor and transmission side transmitting Lai vibration caused by control device radiation sound.
(7) preferably, on the basis of the power unit structure of the electric vehicle of any one of (1)~(6), the control
Device unit configuration processed is configured in rear of vehicle in the position for leaning on vehicle front than the motor unit.
According to the technical solution of (7), by configuring control device unit in the position for leaning on vehicle front than motor unit
It sets, so as to bear load when rear-end impact using made of metal and as the motor unit of rigid body, control can be protected
Device unit processed.
(8) preferably, on the basis of the power unit structure of the electric vehicle of (7), the connection of the control device
The interconnecting piece (such as aftermentioned interconnecting piece 33) of the diagnostic device of the control device is formed in the rear end face of rear of vehicle.
According to the technical solution of (8), by the way that the interconnecting piece for connecting the diagnostic device of control device is formed in rear of vehicle
Rear end face, thus when fault diagnosis in maintenance, without removing electric vehicles unit from vehicle, only by removing guarantor
Dangerous thick stick, it will be able to be diagnosed, when can reduce check man.
Invention effect
It can reduce design working hour and the electric vehicle of the rigidity that can be improved unit according to the present invention it is possible to provide
Power unit structure.
Detailed description of the invention
Fig. 1 is the configuration and brief configuration for indicating the power unit structure of electric vehicle of one embodiment of the present invention
Perspective view.
Fig. 2 is from rear of vehicle obtained from the power unit structure of the electric vehicle of one embodiment of the present invention
Figure.
Fig. 3 is from rear of vehicle obtained from the power unit structure of the electric vehicle of one embodiment of the present invention
Figure, and be the figure for indicating state when control device unit to be installed on to motor unit.
Fig. 4 be from vehicle width right direction (direction R) install control device unit before motor unit and
Obtained figure.
Fig. 5 be it is viewed from above installation control device unit before motor unit obtained from figure.
Fig. 6 is the erection sequence for the power unit structure for illustrating the electric vehicle of one embodiment of the present invention
Figure, and be the perspective view for indicating state when bracket to be installed on to control device unit.
Fig. 7 is the erection sequence for the power unit structure for illustrating the electric vehicle of one embodiment of the present invention
Figure, and be the perspective view for indicating state when control device unit to be installed on to motor unit.
Fig. 8 is the erection sequence for the power unit structure for illustrating the electric vehicle of one embodiment of the present invention
Figure, and be shape when control device unit being mounted on motor unit from vehicle width right direction (direction R)
Scheme obtained from state.
Fig. 9 is the erection sequence for the power unit structure for illustrating the electric vehicle of one embodiment of the present invention
Figure, and be figure obtained from the state that observes from below when control device unit has been mounted on motor unit.
Figure 10 is the power of the electric vehicle of one embodiment of the present invention from the direction L (vehicle width left direction)
The figure of cellular construction.
Figure 11 is the vehicle of the power unit structure of the electric vehicle equipped with one embodiment of the present invention observe from the rear
When perspective view.
Description of symbols:
The power unit structure of 1 ... electric vehicle
2 ... motor units
3 ... control device units
4 ... three-phase terminals
7 ... electric oil pumps (subsidiary engine)
9 ... electric vehicles
10 ... upper ends
20 ... attached portions
21 ... central shells
22 ... motor field frames
23 ... case of transmission
30 ... control devices
31 ... first mounting portions
32, the second mounting portion of 32a, 32b ...
33 ... interconnecting pieces
40 ... three-phase involutory surfaces
41 ... three-phase power lines
61,62 ... hagioscopes
81 ... driving wheels
82 ... axles
90 ... rear frames
91 ... first rear frames
92 ... second rear frames
93 ... third rear frames
221 ... motor
231 ... speed changers
320 ... brackets
321 ... supporting parts
322 ... legs
323 ... fixed points
BM ... bodywork component
S ... screw.
Specific embodiment
Hereinafter, one embodiment of the present invention is described in detail on one side referring to attached drawing on one side.It should be noted that
The direction U refers to that top, the direction D refer to that lower section, the direction Fr refer to that vehicle front, the direction Rr refer to rear of vehicle, the side R in the figure
Refer to the driving from vehicle to the right direction (vehicle width right direction) when referring to from the driver's seat of vehicle, the direction L
Left direction (vehicle width left direction) when seat observation.
Fig. 1 is the configuration and brief configuration for indicating the power unit structure 1 of electric vehicle 9 of one embodiment of the present invention
Perspective view.As shown in Figure 1, the power unit structure 1 of the electric vehicle 9 of present embodiment is configured at the vehicle of electric vehicle 9
Rear (rear side).In addition, the configuration of power unit structure 1 of the electric vehicle 9 of present embodiment is in the vehicle body for constituting electric vehicle 9
On the rear frame 90 at rear portion.
Rear frame 90 includes the first rear frame 91, a pair of second rear frame 92,92 and third rear frame
93。
First rear frame 91 is extended along the width of the car at the rear portion of vehicle 9.A pair of second rear frame 92,92 and first
Both ends connection in the vehicle width direction of rear frame 91, and be respectively facing vehicle front from the linking part and extend.Third rear portion frame
Frame 93 is extended along the width of the car in a manner of the vehicle front side bridge joint connection by a pair of second rear frame 92,92.By upper
It states the first rear frame 91, a pair of second rear frame 92,92 and third rear frame 93 and is configured to rectangular shape
The power unit structure 1 of the electric vehicle 9 of present embodiment is installed on rear frame 90.
As shown in Figure 1, the power unit structure 1 of the electric vehicle 9 of present embodiment has motor unit 2 and control dress
Set unit 3.The configuration of motor unit 2 is configured in R direction side, control device unit 3 in L direction side.Motor unit 2 with will be left
The axle 82 that right a pair of driving wheels 81 links connects, and is equipped with control device unit 3 on the motor unit 2.
Fig. 2 is figure obtained from the power unit structure 1 of the electric vehicle 9 of the present embodiment from rear of vehicle.Separately
Outside, Fig. 3 is figure obtained from the power unit structure 1 of the electric vehicle 9 of the present embodiment from rear of vehicle, and is to indicate
The figure of state when control device unit 3 to be installed on to motor unit 2.Fig. 4 is the installation control device unit from the direction R
Scheme obtained from motor unit 2 before 3.Fig. 5 is the motor unit viewed from above installed before control device unit 3
Scheme obtained from 2.But in fig. 5 it is shown that by each shell of central shell 21, motor field frame 22 and case of transmission 23
The cover of body remove after state.
As shown in Figures 2 and 3, motor unit 2 includes central shell 21, motor field frame 22 and case of transmission 23.
The central configuration of shell 21 is between aftermentioned motor field frame 22 and case of transmission 23.
Motor field frame 22 is mounted on the side (as shown in Fig. 2, for example, L direction side) of central shell 21, and accommodates electricity
Motivation 221.
Case of transmission 23 is mounted on the other side (as shown in Fig. 2, for example, R direction side) of central shell 21, and accommodates
Speed changer 231.
Control device unit 3 is the control device unit with the control device 30 controlled motor 221, is institute
The PCU (power control unit) of meaning.The control device unit 3 is by the first mounting portion 31 and the second mounting portion 32 from motor
The R direction side of unit 2 is installed towards L direction side.
First mounting portion 31 is the mounting portion of the power feeding section supplied electric power to motor 221.That is, the first mounting portion 31
It is the electrical connection section of control device unit 3 Yu motor unit 2.Electric vehicle 9 of first mounting portion 31 in present embodiment
Power unit structure 1 in be formed in control device 30 top L direction side end face.
Second mounting portion 32 is the mounting portion for control device unit 3 to be fixed on to motor unit 2.That is, the second peace
Dress portion 32 is the mechanical link of control device unit 3 Yu motor unit 2.Electricity of second mounting portion 32 in present embodiment
The end face of the L direction side of aftermentioned bracket 320 is formed in the power unit structure 1 of motor-car 9.
As shown in Figures 2 and 3, control device unit 3 and case of transmission 23 are configured to when from up and down direction
It is overlapped.More specifically, case of transmission 23 configures with being biased against the lower side of motor unit 2, and control device unit 3 is inclined
By motor unit 2 upper side configure.That is, the position of above-mentioned control device unit 3 and the up and down direction of case of transmission 23
A part is set to be staggered, on the other hand, position a part overlapping of mutual vehicle width direction.Thereby, it is possible to carry out the first mounting portion
31 installation and installation of second mounting portion 32 to case of transmission 23 to central shell 21.
Above-mentioned first mounting portion 31 is connected to the attached portion 20 for the central shell 21 connecting with the first mounting portion 31.Separately
Outside, as noted previously, as the first mounting portion 31 is the electrical connection section of control device unit 3 Yu motor unit 2, so such as Fig. 4
And shown in Fig. 5, the three of the three-phase power line (busbar connector) 41 of the first mounting portion 31 and attached portion 20 with motor 221 are opposite
Conjunction face 40.Be configured with the three-phase terminal 4 of three-phase power line 41 in the inside of the three-phase involutory surface 40, the first mounting portion 31 with this three
Phase terminal 4 is electrically connected.It should be noted that the three-phase involutory surface 40 in three-phase power line 41 is coated with referred to as FIPG
(Formed In Place Gasket's) has taken into account bonding and closed smears, and thereby, it is possible to ensure leakproofness.
As shown in figure 5, one end of the three-phase power line 41 of motor 221 is connect with motor 221, the other end and above-mentioned three
Phase terminal 4 connects.It is formed with hagioscope 61 in the upper surface of central shell 21, operator can easily verify that three-phase terminal 4
It is whether reliable with being electrically connected for the first mounting portion 31.
In addition, as shown in Figures 4 and 5, the first mounting portion 31 configures the longitudinal direction (vehicle width direction) in control device 30
Substantially central portion.Similarly, substantial middle of the configuration of attached portion 20 in the longitudinal direction (vehicle width direction) of central shell 21
Portion.Thereby, it is possible to further suppress the immersion as caused by the water rolled from vehicle lower surface, can further increase to immersion
Patience.
Then, illustrate the erection sequence of the power unit structure 1 of the electric vehicle 9 of present embodiment, and illustrate power list
The more detailed structure of meta structure 1.
Fig. 6~Fig. 9 is the figure for the erection sequence for the power unit structure 1 for illustrating the electric vehicle 9 of present embodiment.
Specifically, Fig. 6 is the perspective view for indicating state when bracket 320 to be installed on to control device unit 3.Fig. 7 is to indicate to control
The perspective view of state when device unit 3 processed is installed on motor unit 2.Fig. 8 is from the direction R by control device unit 3
Figure obtained from state when being mounted on motor unit 2.Fig. 9 is to be mounted on control device unit 3 from the direction D
Scheme obtained from state when on motor unit 2.
As shown in fig. 6, the second mounting portion 32 is formed in the bracket 320 supported to the lower section of control device 30.Bracket
320 include support control mechanism 30 supporting part 321 and extend downward from supporting part 321 a pair of of leg 322,
322。
The supporting part 321 of bracket 320 is to surround control device 30 in the control device unit 3 from the direction D (lower section)
The mode of center of gravity 3c be shaped generally as C-shaped (referring to Fig. 6).The supporting part 321 by make its open sides towards the direction L in a manner of
It is installed on the lower surface of control device unit 3.
In addition, when from a side of the longitudinal direction of control device 30 (vehicle width direction), a pair of of leg 322,322 from
It is positioned against the direction D (lower section) clamped by two fixing points 323,323 of the supporting part relative to control device 30 and extends (reference
Fig. 2 and Fig. 3).More specifically, a pair of of leg 322,322 is formed as with from the vehicle width direction one end (side R of supporting part 321
To side) it is tilted downwards towards another side (L direction side).
Second mounting portion 32 include be formed in supporting part 321 L direction side end face second mounting portion 32a, 32a, with
And it is formed in second mounting portion 32b, 32b of the front end face (lower end) of a pair of of leg 322,322.Utilize above-mentioned second mounting portion
32, control device unit 3 is connected mechanically to case of transmission 23 via bracket 320.
Firstly, as shown in fig. 6, bracket 320 is temporarily fixed on control device unit 3 and temporarily fastening screw S
Lower surface.At this point, bracket 320 along control device unit 3 to the installation direction that motor unit 2 is installed can move
State be temporarily fixed on control device unit 3.
Next, as shown in fig. 7, being fixed temporarily the control device unit 3 of bracket 320 from R direction side court in lower surface
The side of motor unit 2 is installed on to L direction side.Specifically, firstly, during the first mounting portion 31 is reliably mounted on
Entreat the attached portion 20 of shell 21.At this point, as shown in fig. 7, due to the first mounting portion 31 and attached portion 20 be configured to along
The upper end 10 of the power unit structure 1 of electric vehicle 9, so passing through the hagioscope for the upper surface for being formed in motor unit 2
61 and be formed in control device unit 3 upper surface hagioscope 62, operator can easily be done the first mounting portion 31 with
The whether reliable such confirmation of the electrical connection of attached portion 20.
Next, after the reliable situation of the electrical connection that confirmed the first mounting portion 31, by the second installation of bracket 320
Portion 32a, 32a, 32b, 32b are installed on the mounting surface of the side of case of transmission 23.At this point, in the mounting surface of case of transmission 23
Between the mounting surface of second mounting portion 32a, 32a, 32b, 32b it is very close to each other in the case where, make bracket 320 to installation side
After moving in the opposite direction, second mounting portion 32a, 32a, 32b, 32b screw is fixed, later, is anchored on control to interim
The screw of the bracket 320 of device unit 3 is formally fastened.On the other hand, pacify in the mounting surface of case of transmission 23 and second
In the case where having gap between the mounting surface of dress portion 32a, 32a, 32b, 32b, keep bracket 320 mobile to installation direction and with change
After the mounting surface of fast device shell 23 abuts, second mounting portion 32a, 32a, 32b, 32b screw is fixed, later, to interim fastening
It is formally fastened in the screw of the bracket 320 of control device unit 3.
By above step, installation of the control device unit 3 to motor unit 2 is completed.At this point, such as Fig. 8 and Fig. 9 institute
Show, in the position that a pair of of leg 322,322 is clipped configured with the electric oil pump 7 as the subsidiary engine for being installed on motor unit 2.
That is, positioning member of the electric oil pump 7 as control device unit 3 relative to motor unit 2 functions.Therefore, it is controlling
In the case that device unit 3 is deviated relative to the position of motor unit 2 from specified position, the meeting of leg 322 of bracket 320 and electricity
Dynamic oil pump 7 is interfered, so being able to suppress misassembly.
Then, Figure 10 is the power list of the electric vehicle 9 of present embodiment from the direction L (vehicle width left direction)
Scheme obtained from meta structure 1.As shown in Figure 10, the configuration of control device unit 3 is in the position for leaning on Fr direction side than motor unit 2
It sets.More specifically, the position P2 of the direction the Rr side end face of control device unit 3 (control device 30) is compared to motor unit
The position P1 of 2 direction Rr side end face and be located at Fr direction side.When as a result, relative to collision (rear-end impact) come from behind by
To impact, the bodywork component BM that deforms and bias, motor unit 2 can preferentially be impacted.Therefore, it can mitigate to control
The impact of device unit 3 processed.
In addition, Figure 11 is the vehicle of the power unit structure 1 of the electric vehicle 9 equipped with present embodiment observe from the rear
Perspective view when 9.It should be noted that Figure 11 shows the state after removing the rear bumper of vehicle 9.
As shown in figure 11, the interconnecting piece 33 of the diagnostic device (not shown) of the connection control device 30 of control device unit 3
It is formed in the direction Rr side end face.As a result, when fault diagnosis in maintenance, without by the power unit structure 1 of electric vehicle 9 from
Vehicle 9 removes, only by removing rear bumper, it will be able to be diagnosed.
According to the power unit structure 1 of the electric vehicle 9 for the present embodiment for having the above structure, can play below
Effect.
Firstly, according to the present embodiment, by the way that control device unit 3 will be used as relative to the power supply of motor 221
First mounting portion 31 of the mounting portion in portion, the i.e. portion of electrically engaging are directly mounted at central shell 21, without consideration and speed change
The interference of the gear of device 231 can reduce design working hour.In addition, by the way that the second mounting portion 32 of control device unit 3 is installed
In case of transmission 23, so as to multiple components across composition motor unit 2 (specifically, central shell 21 and speed change
Device shell 23) control device unit 3 is installed, the expansion being able to suppress in the short transverse of unit and the rigidity for improving unit.
In addition, according to the present embodiment, by being configured to control device unit 3 and case of transmission 23 from upper and lower
To observation when it is overlapped, so as to shorten on the installation direction when being equipped with control device unit 3 on motor unit 2
Size, the power unit structure 1 of electric vehicle 9 can be made to minimize.
In addition, according to the present embodiment, being propped up by being formed in the second mounting portion 32 lower section of control device 30
The bracket 320 held, so as to utilize the second installation after it will preferentially guarantee the first mounting portion 31 fastening connection of electrical connection
Portion 32 is absorbed due to installing the structure of control device unit 3 and the public affairs that generate across the multiple components for constituting motor unit 2
The offset of residual quantity.In addition, by using bracket 320 come the lower section of support control mechanism 30, so as to inhibit by from motor
221 and 231 side of speed changer transmitting come vibration caused by control device 30 radiation sound.
In addition, according to the present embodiment, due to the first mounting portion of the mounting portion as the power feeding section preferentially installed
31 are configured to the upper end 10 of the power unit structure 1 along electric vehicle 9, so can be in assembling operation by visual observation
Confirm the assembling of the first mounting portion 31, therefore, is able to suppress misassembly.In addition, by making the first peace as electrical connection section
Dress portion 31 configures above, so as to inhibit as the immersion caused by the water that vehicle lower surface is rolled.
In addition, according to the present embodiment, by the way that the electric oil pump 7 of subsidiary engine will be used as to configure in the supporting part from bracket 320
The position that 321 a pair of of the legs 322,322 extended downward are clipped, to confirm by visual observation as being electrically connected on one side
When first mounting portion 31 of socket part is assembled on one side, if assembled with the angle of mistake, the leg 322 of bracket 320
It can interfere with electric oil pump 7.Thereby, it is possible to know the case where assembling is not normally carried out, can more reliably inhibit to mistakenly assemble.Separately
Outside, impact of the electric oil pump 7 being located between a pair of of leg 322,322 from collision when can be protected.
In addition, according to the present embodiment, by the way that the supporting part 321 of bracket 320 is formed as the encirclement when observing from below
The substantially C-shaped of the center of gravity of control device 30, and be formed with one of the longitudinal direction (vehicle width direction) from control device 30
Side observation when clipped from the two fixing points 323,323 of supporting part 321 be positioned against lower section extend a pair of of leg 322,
322, thus, it is possible to steadily fix control device 30.Thereby, it is possible to more effectively inhibit by from motor 221 and speed changer
The radiation sound of control device 30 caused by the vibration that the transmitting of 231 sides comes.
In addition, according to the present embodiment, by the way that the configuration of control device unit 3 is being leaned on vehicle front than motor unit 2
Position, so as to bear load when rear-end impact, Neng Goubao using made of metal and as the motor unit of rigid body 2
Protect control device unit 3.
In addition, according to the present embodiment, by the way that the interconnecting piece 33 for connecting the diagnostic device of control device 30 is formed in vehicle
The rear end face at rear, thus when fault diagnosis in maintenance, without removing power unit structure 1 from electric vehicle 9, only
By removing bumper, it will be able to be diagnosed, when can reduce check man.
It should be noted that can reach within the scope of the purpose of the present invention the present invention is not limited to above embodiment
Deformation, improvement be also included in the present invention.
Claims (8)
1. a kind of power unit structure of electric vehicle, has:
Motor unit comprising central shell, the motor case for being installed on the side of the central shell and accommodating motor
It body and is installed on the other side of the central shell and accommodates the case of transmission of speed changer；And
Control device unit controls the motor, wherein
The control device unit has: the first mounting portion, for the peace of the power feeding section supplied electric power to the motor
Dress portion；And second mounting portion, the control device unit is fixed on the motor unit, also,
It is installed from the other side of the motor unit towards the side, and first mounting portion is installed on
The center shell, second mounting portion are installed on the case of transmission.
2. the power unit structure of electric vehicle according to claim 1, wherein
The control device unit and the case of transmission are configured in overlapped mode when from up and down direction.
3. the power unit structure of electric vehicle according to claim 1 or 2, wherein
The control device unit includes controlling the control device of the motor and to propping up below the control device
The bracket held,
First mounting portion is formed in the control device,
Second mounting portion is formed in the bracket.
4. the power unit structure of electric vehicle according to claim 3, wherein
The attached portion of first mounting portion and the central shell connecting with first mounting portion is along the electricity
The mode of the upper end of the power unit structure of motor-car configures.
5. the power unit structure of electric vehicle according to claim 3 or 4, wherein
The bracket includes a pair of of the leg for supporting the supporting part of the control device and extending downward from the supporting part,
The subsidiary engine for being installed on the motor unit is configured at the position that a pair of leg is clipped.
6. the power unit structure of electric vehicle according to claim 5, wherein
The supporting part of the bracket is formed as the weight that the control device is surrounded when observing from below the control device unit
The substantially C-shaped of the heart,
When a pair of leg is from the side from the longitudinal direction of the control device, from the supporting part relative to described
What the two fixing points of control device were clipped is positioned against lower section extension.
7. the power unit structure of the electric vehicle according to any one of claim 3~6, wherein
The control device unit configuration is configured in rear of vehicle in the position for leaning on vehicle front than the motor unit
It sets.
8. the power unit structure of electric vehicle according to claim 7, wherein
The interconnecting piece of the diagnostic device of the connection control device of the control device is formed in the rear end face of rear of vehicle.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018-045315 | 2018-03-13 | ||
| JP2018045315A JP6692381B2 (en) | 2018-03-13 | 2018-03-13 | Power unit structure of electric vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110271399A true CN110271399A (en) | 2019-09-24 |
| CN110271399B CN110271399B (en) | 2022-08-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910187542.7A Active CN110271399B (en) | 2018-03-13 | 2019-03-12 | Power unit structure of electric vehicle |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US10744863B2 (en) |
| EP (1) | EP3543053B1 (en) |
| JP (1) | JP6692381B2 (en) |
| CN (1) | CN110271399B (en) |
Families Citing this family (4)
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|---|---|---|---|---|
| GB2590383B (en) * | 2019-12-13 | 2022-04-06 | Dyson Technology Ltd | Electric drive unit layout |
| GB2590387B (en) * | 2019-12-13 | 2022-04-06 | Dyson Technology Ltd | Mount on inverter housing |
| GB2590382B (en) * | 2019-12-13 | 2022-04-06 | Dyson Technology Ltd | Electric drive unit |
| JP2024086318A (en) * | 2022-12-16 | 2024-06-27 | トヨタ自動車株式会社 | Drive device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN110271399B (en) | 2022-08-09 |
| EP3543053A1 (en) | 2019-09-25 |
| JP2019156149A (en) | 2019-09-19 |
| US10744863B2 (en) | 2020-08-18 |
| JP6692381B2 (en) | 2020-05-13 |
| EP3543053B1 (en) | 2020-05-20 |
| US20190283560A1 (en) | 2019-09-19 |
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